:root {
  --bg: #F7F6F2; --surface: #FFFFFF; --ink: #1F241F; --ink2: #6C6F68; --line: #E6E4DD;
  --primary: #2F6A57; --primary-tint: #E3EFEA; --alert: #B5412F; --alert-tint: #F6E3DF;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #141714; --surface: #1D211D; --ink: #ECEEE9; --ink2: #A3A69F; --line: #2C312C;
    --primary: #6FB39A; --primary-tint: #1E2E28; --alert: #E58A7A; --alert-tint: #3A2320;
  }
}
:root[data-theme="dark"] {
  --bg: #141714; --surface: #1D211D; --ink: #ECEEE9; --ink2: #A3A69F; --line: #2C312C;
  --primary: #6FB39A; --primary-tint: #1E2E28; --alert: #E58A7A; --alert-tint: #3A2320;
}
* { box-sizing: border-box; }
body {
  margin: 0; background: var(--bg); color: var(--ink);
  font: 16px/1.6 -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", Roboto, sans-serif;
}
.wrap { max-width: 680px; margin: 0 auto; padding: 32px 16px 64px; }
header.brand { display: flex; align-items: center; gap: 10px; margin-bottom: 40px; }
header.brand a { color: var(--ink); text-decoration: none; font-weight: 700; font-size: 19px; }
.logo { width: 34px; height: 34px; border-radius: 10px; background: var(--primary); display: grid; place-items: center; }
.logo svg { width: 20px; height: 20px; }
h1 { font-size: 30px; line-height: 1.2; letter-spacing: -0.5px; margin: 0 0 12px; }
h2 { font-size: 19px; margin: 32px 0 8px; }
p, li { color: var(--ink2); }
strong { color: var(--ink); }
a { color: var(--primary); }
.card { background: var(--surface); border: 1px solid var(--line); border-radius: 18px; padding: 28px 24px; }
.center { text-align: center; }
.badge { width: 72px; height: 72px; border-radius: 22px; display: grid; place-items: center; margin: 0 auto 20px; background: var(--primary-tint); }
.badge.err { background: var(--alert-tint); }
.badge svg { width: 36px; height: 36px; }
.btn { display: inline-block; background: var(--primary); color: #fff; text-decoration: none; font-weight: 600; padding: 13px 22px; border-radius: 14px; margin-top: 12px; }
.features { display: grid; gap: 12px; margin: 28px 0; padding: 0; list-style: none; }
.features li { background: var(--surface); border: 1px solid var(--line); border-radius: 14px; padding: 14px 16px; }
footer { margin-top: 48px; font-size: 14px; color: var(--ink2); display: flex; gap: 18px; flex-wrap: wrap; }
footer a { color: var(--ink2); }
.hidden { display: none; }